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selftests/bpf: Use vmlinux.h for BPF programs

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Some of the bpf test progs still use linux/libc headers.
Let's use vmlinux.h instead like the rest of test progs.
This will also ease cross compiling.

Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250821030254.398826-1-hengqi.chen@gmail.com
This commit is contained in:
Hengqi Chen 2025-08-21 03:02:54 +00:00 committed by Andrii Nakryiko
parent 78e097fbca
commit 21aeabb682
5 changed files with 11 additions and 36 deletions
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7
tools/testing/selftests/bpf/progs/loop1.c
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@ -1,11 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2019 Facebook
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <linux/bpf.h>
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>

7
tools/testing/selftests/bpf/progs/loop2.c
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@ -1,11 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2019 Facebook
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <linux/bpf.h>
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>

7
tools/testing/selftests/bpf/progs/loop3.c
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@ -1,11 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2019 Facebook
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <linux/bpf.h>
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>

21
tools/testing/selftests/bpf/progs/loop6.c
View File

@ -1,8 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/ptrace.h>
#include <stddef.h>
#include <linux/bpf.h>
#include <vmlinux.h>
#include <bpf/bpf_core_read.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include "bpf_misc.h"
@ -26,12 +25,6 @@ char _license[] SEC("license") = "GPL";
#define SG_CHAIN 0x01UL
#define SG_END 0x02UL
struct scatterlist {
unsigned long page_link;
unsigned int offset;
unsigned int length;
};
#define sg_is_chain(sg) ((sg)->page_link & SG_CHAIN)
#define sg_is_last(sg) ((sg)->page_link & SG_END)
#define sg_chain_ptr(sg) \
@ -62,7 +55,7 @@ static inline struct scatterlist *get_sgp(struct scatterlist **sgs, int i)
return sgp;
}
int config = 0;
int run_once = 0;
int result = 0;
SEC("kprobe/virtqueue_add_sgs")
@ -73,14 +66,14 @@ int BPF_KPROBE(trace_virtqueue_add_sgs, void *unused, struct scatterlist **sgs,
__u64 length1 = 0, length2 = 0;
unsigned int i, n, len;
if (config != 0)
if (run_once != 0)
return 0;
for (i = 0; (i < VIRTIO_MAX_SGS) && (i < out_sgs); i++) {
__sink(out_sgs);
for (n = 0, sgp = get_sgp(sgs, i); sgp && (n < SG_MAX);
sgp = __sg_next(sgp)) {
bpf_probe_read_kernel(&len, sizeof(len), &sgp->length);
len = BPF_CORE_READ(sgp, length);
length1 += len;
n++;
}
@ -90,13 +83,13 @@ int BPF_KPROBE(trace_virtqueue_add_sgs, void *unused, struct scatterlist **sgs,
__sink(in_sgs);
for (n = 0, sgp = get_sgp(sgs, i); sgp && (n < SG_MAX);
sgp = __sg_next(sgp)) {
bpf_probe_read_kernel(&len, sizeof(len), &sgp->length);
len = BPF_CORE_READ(sgp, length);
length2 += len;
n++;
}
}
config = 1;
run_once = 1;
result = length2 - length1;
return 0;
}

5
tools/testing/selftests/bpf/progs/test_overhead.c
View File

@ -1,9 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019 Facebook */
#include <stdbool.h>
#include <stddef.h>
#include <linux/bpf.h>
#include <linux/ptrace.h>
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>